state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 General Knowledge Geography (World Geography) Geomorphology
Which of the following is the deepest manmade hole on Earth with a depth of 12.2 km, known as the deepest artificial point on Earth?
1
Bingham Canyon Borehole
2
Askam Borehole
3
Kola Superdeep Borehole
4
Berkeley Pit Borehole